CBSE Class 9 Answered
GIVE DIFFERENCES
Asked by vk1994 | 05 Aug, 2008, 10:12: PM
Expert Answer
|
Suamous |
Ciliated |
Glandular |
Cells |
Irregular, thin and flat |
Columnar with cilia |
Portion of epithelial tissue folds inward. |
Location |
Cells lining blood vessels and lung alveoli, lining of mouth and oeophagus, skin |
Lining of trachea, bronchi, sperm ducts and oviducts. |
Present in all glands |
Function |
Protection, Forming a selectively permeable surface |
Movement of cilia pushes the mucus forward through the ducts. |
Secretion of substances at epithelial surface. |
Position of nucleus in cells |
Central |
Towards the base |
Basal or central |
Answered by | 06 Aug, 2008, 06:38: AM
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